mirror of
https://sourceware.org/git/glibc.git
synced 2025-08-08 17:42:12 +03:00
48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
/* Multiple versions of llrintf.
|
|
Copyright (C) 2017-2025 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
/* Redefine lrintf/__lrintf so that the compiler won't complain about the type
|
|
mismatch with the IFUNC selector in strong_alias below. */
|
|
#define lrintf __hidden_lrintf
|
|
#define __lrintf __hidden___lrintf
|
|
|
|
#include <math.h>
|
|
#undef lrintf
|
|
#undef __lrintf
|
|
#include "init-arch.h"
|
|
#include <libm-alias-float.h>
|
|
|
|
extern __typeof (__llrintf) __llrint_ppc64 attribute_hidden;
|
|
extern __typeof (__llrintf) __llrint_power6x attribute_hidden;
|
|
extern __typeof (__llrintf) __llrint_power8 attribute_hidden;
|
|
|
|
/* The ppc64 ABI passes float and double parameters in 64bit floating point
|
|
registers (at least up to a point) as IEEE binary64 format, so effectively
|
|
of "double" type. Both l[l]rint and l[l]rintf return long type. So these
|
|
functions have identical signatures and functionality, and can use a
|
|
single implementation. */
|
|
libc_ifunc (__llrintf,
|
|
(hwcap2 & PPC_FEATURE2_ARCH_2_07)
|
|
? __llrint_power8 :
|
|
(hwcap & PPC_FEATURE_POWER6_EXT)
|
|
? __llrint_power6x
|
|
: __llrint_ppc64);
|
|
|
|
libm_alias_float (__llrint, llrint)
|
|
strong_alias (__llrintf, __lrintf)
|
|
libm_alias_float (__lrint, lrint)
|